Patient id	sysbp	Drug	at risk
1	159.6	0	1
2	130.5	0	0
3	98.9	0	0
4	137.6	0	0
5	209.7	0	1
6	164.4	0	1
7	125.5	0	0
8	170.8	0	1
9	161.8	0	1
10	216.5	0	1
11	183.5	0	1
12	153.6	0	1
13	145.2	0	1
14	156.6	0	1
15	179.1	0	1
16	181.4	0	1
17	187.7	0	1
18	135.4	0	0
19	154.4	0	1
20	168.5	0	1
21	175.4	0	1
22	151.9	0	1
23	143.1	0	1
24	167.9	0	1
25	165.3	0	1
26	151.8	0	1
27	147.2	0	1
28	132.6	0	0
29	172.3	0	1
1	160.6	1	1
2	182.7	1	1
3	168.5	1	1
4	154.3	1	1
5	112.2	1	0
6	121.1	1	0
7	112.4	1	0
8	149.7	1	1
9	144.2	1	1
10	150.3	1	1
11	176.5	1	1
12	142.5	1	1
13	148.5	1	1
14	148.3	1	1
15	170.2	1	1
16	165.5	1	1
17	160	1	1
18	135	1	0
19	116.1	1	0
20	141.4	1	1
21	135.4	1	0
22	136.7	1	0
23	157.9	1	1
24	119.7	1	0
25	124.9	1	0
26	133.5	1	0
27	173.1	1	1
28	156.1	1	1
29	160	1	1

1. Calculate the estimated proportion of women who take the drug who are at risk because of their blood pressure along with a 95% confidence interval. State the results as a percentage to 1 decimal place. (4 marks)